"If you’ve been wondering what to expect from iPhone 5, the next-generation, beyond an all-new and improved antenna, then let me share a few ideas with you — your iPhone will be your wallet, your house keys, your identity, the centre of your mobile existence."
If you’re a non-techie like us, you’ll find the article not too clear. It’s all based on a technology called Near Field Communication (NFC).
So after reading the Evans piece, we suggest to read up on NFC. You can do so at this site, which helps clarify things quite a bit.